public class DEV521_S51Controller {

  public integer prop {
    get { return prop; }
    set { prop = value; }
  }
  
  public integer MyReadOnlyProp { get; }
  public double MyReadWriteProp { get; set; }
  public string MyWriteOnlyProp { set; }

  public PageReference exe() {
    return null;
  }

}